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11 Cards in this Set
- Front
- Back
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What is a single superphosphate a mixture of? |
Calcium phosphate and calcium sulfate |
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What does a naturalisation reaction do? |
Used to make most fertilisers |
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What is phosphate rock treated with to produce phosphoric acid and calcium nitrate? |
Nitric acid |
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What happens when a phosphate rock is treated with phosphoric acid? |
A triple superphosphate is produced |
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What process can be used to obtain potassium chloride, potassium sulfate and phosphate? |
Mining |
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Why can't phosphate rock be used directly as a fertiliser? |
Insoluble |
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What is a superphosphate? |
When phosphate rock is treated with sulfuric acid to produce a mixture of calcium sulphate and calcium phosphate |
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What does treating phosphate rock with nitric acid do? |
Yields phosphoric acid and calcium nitrate |
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What does treating phosphate rock with sulfuric acid do? |
Yields single superphosphate |
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What does treating phosphate rock with phosphoric acid do? |
Yields triple superphosphate |
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2 soluble sources of potassium that can be used as fertilisers in their raw form |
Potassium chloride Potassium sulfate |
